"""
Cloudflare R2 Client
"""
import boto3
from botocore.config import Config

class R2Client:
    def __init__(self, account_id, bucket, access_key, secret_key, public_domain):
        self.s3 = boto3.client(
            "s3",
            endpoint_url=f"https://{account_id}.r2.cloudflarestorage.com",
            region_name="auto",
            aws_access_key_id=access_key,
            aws_secret_access_key=secret_key,
            config=Config(signature_version="s3v4")
        )
        self.bucket = bucket
        self.public_domain = public_domain

    def upload_file(self, local_path: str, key: str):
        self.s3.upload_file(local_path, self.bucket, key)
        return f"{self.public_domain}/{key}"

    def list_objects(self, prefix: str = ""):
        response = self.s3.list_objects_v2(Bucket=self.bucket, Prefix=prefix)
        return response.get("Contents", [])